Arrivals to a bank automated teller machine (ATM) are distributed according to a Poisson distribution with...

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Arrivals to a bank automated teller machine (ATM) are distributed according to a Poisson distribution with...

Arrivals to a bank automated teller machine (ATM) are distributed according to a Poisson distribution with a mean equal to four per 5 minutes. Complete parts a and b below.

a. Determine the probability that in a given -minute segment, will arrive at the ATM. The probability is nothing. (Round to four decimal places as needed.)

b. What is the probability that fewer than customers will arrive in a -minute segment? The probability is

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Arrivals to a bank automated teller machine (ATM) are distributed according to a Poisson distribution with...

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